10-Day Weather Forecast - Janesville, WI

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  • 17|18°F
    Partly Sunny
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    Today

    17°F

    Much colder. Sunny early in the afternoon then becoming partly sunny. Highs in the lower 20s. West winds 5 to 10 mph.

    Tonight

    18°F

    Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Lows around 16. South winds 10 to 20 mph. Gusts up to 35 mph after midnight.

    Hourly details
  • Weekend Weather

  • Day

    35°F

    Not as cold. Mostly cloudy with a 20 percent chance of light freezing rain and snow in the morning then mostly sunny in the afternoon. Highs in the upper 30s. West winds 10 to 15 mph with gusts to around 30 mph.

    Night

    15°F

    Clear. Lows around 9. West winds 10 to 15 mph.

    Hourly details
  • Day

    23°F

    Colder sunny. Highs in the lower 20s. West winds up to 10 mph.

    Night

    22°F

    Partly cloudy through around midnight then mostly cloudy with a 20 percent chance of light snow after midnight. Lows around 16.

    Hourly details
  • Day

    37°F

    Mostly cloudy. A 20 percent chance of light snow in the morning. Not as cold. Highs in the mid 30s.

    Night

    36°F

    Mostly cloudy. Not as cold. Lows in the lower 30s.

    Hourly details
  • Day

    44°F

    Partly sunny. Highs in the lower 40s.

    Night

    33°F

    Mostly cloudy. Lows in the upper 20s.

    Hourly details
  • Day

    42°F

    Mostly cloudy. Highs in the mid 40s.

    Night

    40°F

    Mostly cloudy. A 20 percent chance of light rain through around midnight. Lows in the upper 30s.

    Hourly details
  • Day

    49°F

    Partly sunny. Highs around 50.

    Night

    37°F

    Cloudy. Low temperature around 37F. Dew point will be around 40F with an average humidity of 89%. Winds will be 9 mph from the W.

  • Day

    44°F

    Mostly sunny. High temperature around 44F. Dew point will be around 33F with an average humidity of 73%. Winds will be 3 mph from the NW.

    Night

    36°F

    Partly cloudy. Low temperature around 36F. Dew point will be around 33F with an average humidity of 83%. Winds will be 3 mph from the S.

  • Weekend Weather

  • Day

    43°F

    Partly cloudy. High temperature around 43F. Dew point will be around 33F with an average humidity of 74%. Winds will be 2 mph from the W.

    Night

    32°F

    Mostly cloudy. Low temperature around 32F. Dew point will be around 29F with an average humidity of 78%. Winds will be 4 mph from the NW.

  • Day

    37°F

    Cloudy. High temperature around 37F. Dew point will be around 26F with an average humidity of 69%. Winds will be 4 mph from the N.

    Night

    27°F

    Partly cloudy. Low temperature around 27F. Dew point will be around 23F with an average humidity of 73%. Winds will be 4 mph from the NW.